Tree path 5 levels King's Pawn Game › King's Knight Opening › Normal Variation › Three Knights Opening › Steinitz Defense
C46

Three Knights Opening: Steinitz Defense

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Overview

Three Knights Opening: Steinitz Defense is a named branch in the Open Games group of chess theory, classified under ECO C46.

The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.

It begins with 6 plies and takes 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 to reach the canonical position.

In the opening tree, this line branches off from Three Knights Opening, part of the broader King's Pawn Game system.

It continues primarily into one named line, Three Knights Opening: Steinitz-Rosenthal Variation.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.

ECO code
C46
Group
Open Games (C)
Plies
6
Parent
Three Knights Opening
Direct variations
1

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Variations (1)